{"product_id":"nflr121-s00-yokogawa-relay-output-unit-new-original-stock","title":"NFLR121-S00 Yokogawa Relay Output Unit | New \u0026 Original Stock","description":"\u003ch2\u003eYokogawa NFLR121-S00 CENTUM VP\/CS 3000 FIO Subsystem\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa NFLR121-S00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eYokogawa NFLR121\u003c\/strong\u003e Relay Output Terminal Block Unit, operates as a dedicated hardware component for relay-isolated output interface execution within CENTUM VP \/ CS 3000 FIO platforms. Configured for high-density physical signal switching, the device isolates digital logic control circuits from external physical field loads via electro-mechanical contacts.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix \/ Identifier\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eNFLR121\u003c\/td\u003e\n\u003ctd\u003eRelay Output Terminal Block Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Type\u003c\/td\u003e\n\u003ctd\u003e-S00\u003c\/td\u003e\n\u003ctd\u003eStandard configuration without internal surge absorbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuild Style\u003c\/td\u003e\n\u003ctd\u003eStyle S1\u003c\/td\u003e\n\u003ctd\u003eStandard production physical and trace layout variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNFLR121-S00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e114 x 32.6 x 60.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive coil drive (24 VDC nominal loop derived)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e32 discrete output points (Form A contacts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Switching Voltage\u003c\/td\u003e\n\u003ctd\u003e250 VAC \/ VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Contact Current\u003c\/td\u003e\n\u003ctd\u003e2 A maximum per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd\u003e1500 VAC for 1 minute (relay contacts to internal system logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e100 Mohm or greater at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Terminal Type\u003c\/td\u003e\n\u003ctd\u003ePressure-clamp M4 screw terminal blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eWhile handling digital command verification, this instrumentation architecture integrates with platforms processing adjacent 4-20 mA HART loop protocol signals. The unit relies on galvanic physical separation to prevent loop noise migration across the terminal plane. Internal layout properties deliver high channel-to-channel isolation parameters, checking crosstalk issues and ensuring that high-voltage inductive switching transients do not disrupt analog data integrity or sensor feedback loops sharing the local control enclosure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the -S00 suffix version provide protection against inductive field spikes?\u003c\/p\u003e\n\u003cp\u003eA: No. The -S00 suffix designates a standard layout configuration lacking built-in surge absorbers. Inductive external loads such as large solenoids or motor starters require localized diode snubber circuits or external RC networks across the field wiring terminals to safeguard the internal electromechanical relay contacts.\u003c\/p\u003e\n\u003cp\u003eQ: Can the pressure-clamp terminals accept direct stranded wiring layouts without ferrules?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The pressure-clamp structure supports round crimp terminals with M4 screws, accepting wire dimensions from 0.5 to 2.5 mm2 (AWG 20 to 14). However, using crimped ferrules prevents strand separation and preserves electrical connection reliability under low-frequency industrial vibration conditions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecure the physical chassis directly onto the FIO baseplate using the manufacturer-specified terminal mounting tracks to ensure correct bus alignment.\u003c\/li\u003e\n\u003cli\u003eMaintain strict structural separation between external high-voltage AC load lines and low-voltage DC communication or I\/O module wires inside the cable duct system.\u003c\/li\u003e\n\u003cli\u003eEnsure all terminal screws match the specific torque limits for AWG 20-14 wiring interfaces to stop localized overheating or physical terminal fracturing.\u003c\/li\u003e\n\u003cli\u003eConnect the dedicated shield\/earth terminal terminal explicitly to the local technical plant ground bus to stabilize baseline reference potentials.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43510194765914,"sku":"NFLR121-S00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/382._84df5673-a334-4e06-8082-0e2e699050db.jpg?v=1781676148","url":"https:\/\/www.spareoil.com\/products\/nflr121-s00-yokogawa-relay-output-unit-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}